SSL-Tools

SSL check results of dsb-peters.de

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Discover if the mail servers for dsb-peters.de can be reached through a secure connection.

To establish a secure connection a mail server has to offer STARTTLS (SSL), a trustworthy SSL certificate, support for the Diffie-Hellman-Algorithm to guarantee Perfect Forward Secrecy and must not be vulnerable against the Heartbleed attack. Futhermore we recommend using end-to-end encryption with GnuPG.

Summary

JSON Refresh

Report created Fri, 12 Jun 2020 18:58:55 +0000

The mailservers of dsb-peters.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @dsb-peters.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.ud07.udmedia.de
2a05:d580:0:1337::2f
 10
supported
ud07.udmedia.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s
mail.ud07.udmedia.de
194.117.254.47
 10
supported
ud07.udmedia.de
DANE
valid
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @dsb-peters.de address so far. Test mail delivery

Certificates

First seen at:

CN=ud07.udmedia.de

Certificate chain
Subject
Common Name (CN)
  • ud07.udmedia.de
Alternative Names
  • mail.ud07.udmedia.de
  • ud07.udmedia.de
  • www.ud07.udmedia.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • Let's Encrypt Authority X3
validity period
Not valid before
2020-06-11
Not valid after
2020-09-09
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
C9:51:06:90:F8:37:A8:96:41:87:BF:10:BE:65:92:E4:72:61:F6:A3:0D:CA:EB:01:B2:48:43:26:5E:B4:48:CC
SHA1
B0:01:34:9A:53:24:FE:39:D1:16:23:FF:F6:B3:CC:AE:03:28:D9:5D
X509v3 extensions
subjectKeyIdentifier
  • CE:D1:0A:91:D7:33:D7:5D:DB:FB:F4:C5:B7:B9:1C:73:EF:86:22:53
authorityKeyIdentifier
  • keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
authorityInfoAccess
  • OCSP - URI:http://ocsp.int-x3.letsencrypt.org
  • CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
  • 7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
  • Timestamp : Jun 12 00:07:07.685 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:79:6E:6F:9D:CE:FC:0B:A8:64:E0:BE:CE:
  • AB:0D:0C:C1:6F:A5:BF:47:C0:B9:A8:37:CA:F4:FB:9D:
  • 17:A8:AB:A3:02:21:00:A8:DF:D9:F7:EF:D5:4F:CD:8A:
  • F7:D6:D7:F0:A4:95:B7:6B:7C:9D:A4:AE:33:5B:E6:A9:
  • 34:2C:92:53:D4:12:0F
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 07:B7:5C:1B:E5:7D:68:FF:F1:B0:C6:1D:23:15:C7:BA:
  • E6:57:7C:57:94:B7:6A:EE:BC:61:3A:1A:69:D3:A2:1C
  • Timestamp : Jun 12 00:07:07.747 2020 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F3:F1:42:68:38:D5:40:07:DF:DE:2D:
  • 80:09:78:72:8B:D6:EE:BB:49:C0:69:15:12:00:D8:B2:
  • 17:18:F5:08:78:02:21:00:FE:AC:68:8E:AA:B1:03:85:
  • 45:80:D1:59:85:EF:37:15:45:6D:FC:6E:E3:DD:1D:12:
  • A7:44:8A:75:87:19:CD:70

DANE

DNS-based Authentication of Named Entities (DANE) is a protocol to allow X.509 certificates to be bound to DNS using TLSA records and DNSSEC.

Name Options DNSSEC Matches
_25._tcp.mail.ud07.udmedia.de
  • DANE-EE: Domain Issued Certificate
  • Use subject public key
  • SHA-256 Hash
valid
valid